MCQOPTIONS
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| 1. |
In a three-phase induction motor regenerative braking occurs when: |
| A. | Load is lowered by a hoisting machine |
| B. | Motor speed falls due to overload. |
| C. | Load is raised by a hoisting machine |
| D. | Number of poles is reduced in a pole changing machine |
| Answer» B. Motor speed falls due to overload. | |